//helper function to create the form
function getNewSubmitForm(val){
 var submitForm = document.createElement("FORM");
 document.body.appendChild(submitForm);
 submitForm.method  = "POST";
 submitForm.target  ="_BLANK";
 submitForm.name     ="frm";
 submitForm.id        = val;
 return submitForm;
}

//helper function to add elements to the form
function createNewFormElement(inputForm, elementName, elementValue){
    //Create an input type dynamically.
    var element = document.createElement("input");
    //Assign different attributes to the element.
    element.setAttribute("type", "hidden");
    element.setAttribute("value", elementValue);
    element.setAttribute("name", elementName);
    inputForm.appendChild(element);
    return element;
}

//function that creates the form, adds some elements
//and then submits it
function createFormAndSubmit(val){
     var submitForm = getNewSubmitForm(val);
     createNewFormElement(submitForm, "act", "checkurl");
     createNewFormElement(submitForm, "websiteId", val);
     submitForm.action= "test-url.php";
     submitForm.submit();
     return false;
}

function start(start,end){
     for(var i=start;i<=end;i++){
         alert(i);
         createFormAndSubmit(i);
     }
}

  onclick="start(1,10)"